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January 28, 2019 04:50 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/zh3qEmfvbP8/location-finds-bluetooth-ultra-wideband
Location Finds Bluetooth, Ultra-Wideband
An update of the Bluetooth specification released today enables location services accurate to within 10 centimeters thanks to a new direction-finding capability. From a report: It arrives as a separate draft standard is nearly ready for an even faster and more accurate capability using ultra-wideband (UWB) radio, geared for use in smartphones. Bluetooth 5.1 describes ways to determine location using multiple antennas at either the transmitter or receiver. It uses measures of signal phase and amplitude to measure location, though profiles for application developers are still being finished. In mid-March, the IEEE 802.15.4z standard for UWB should be in a stable draft form, opening the door for silicon designs. It enables location measures within a single centimeter and resolves in a nanosecond, a rate faster than Bluetooth. Smartphone giants Apple and Samsung have been active in the .4z meetings also attended by Huawei, leading some to suggest that the capability could be integrated in handsets within two years. NXP has also been active since the group started a year ago, giving rise to speculation that UWB could come into phones though an integrated NFC chip.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/zh3qEmfvbP8/location-finds-bluetooth-ultra-wideband
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